Question

In the extraction of copper from its sulphide ore, the metal is formed by the reduction of $\mathrm { Cu } _ { 2 } \mathrm { O }$with ___

• A. FeS
• B. CO
• C. $\mathrm { Cu } _ { 2 } \mathrm {~S}$
• D. $\mathrm { SO } _ { 2 }$

Answer 1

Answer: (C)

$\mathrm { Cu } _ { 2 } \mathrm {~S}$

Answer 2

$2 \mathrm { Cu } _ { 2 } \mathrm { O } + \mathrm { Cu } _ { 2 } \mathrm {~S} \rightarrow 6 \mathrm { Cu } + \mathrm { SO } _ { 2 }$